Reverting call circuits



May 6, 1952 R. E. HERsr-:Y

REVERTING CALL CIRCUITS 64 Sheets-Sheet l Filed Oct. 29. 1948 ATTORNEY May 6, 1952 Filed Oct. 29. 1948 R. E. HERSEY REVERTING CALL CIRCUITS 64 Sheets-Sheet 2 /NVENTOR R E. HE RSE V ATTORNEY May 6, 1952 R. E. HERSEY 2,5%,9

REVERTING CALL CIRCUITS Filed Oct. 29, 1948 64 Sheefos-Sheet 3 SEQ. CoA/r.

/m/E/VTOR R E'. HERSE ATTORNEY R. E. HERSEY REVERTING CALL CIRCUITS May 6, 1952 64 sheets-sheet 4 Filed 001', 29, 1948 llllv. v. n;

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ATTORNEY May 6, 1952 R. E. HERsEY REVERTING CALL CIRCUITS 64 Sheets-Sheet 5 Filed Oct. 29, 1948 /NI/E/VTOR BV Rf. HERsEr @a ATT ORNE Y May 6, 1952 R. E. HERsEY REVER-TING CALL CIRCUITS Filed oct. 29, 194s 64 Sheets-Sheet 6 HW/ENTOR By R E. HERSEV ATTORNEY May 6, 1952 R. E. HERSEY REVERTING CALL CIRCUITS 64 Sheets-Sheet 7 Filed 061". 29, 1948 /m/E/vron RE. HERSEV ATTORNEY May 6, 1952 R. E. HERSEY 2,595,944

` REVERTING CALL CIRCUITS Filed oct. 29, 1948 e4 sheets-sheet s /NVEA/TOR A 7' TOR/VEV May 6, 1952 Filed OCT.. 29, 1948 R. E. HERSEY REVERTING CALL CIRCUITS 64 Sheets-Sheet 9 /Nl/ENTOR R. E. Hfnsfy 5y @am ATTORNEY May 6, 1952 Filed Oct. 29, 1948 R. E. HERSEY REVERTING CALL CIRCUITS 64 Sheets-Sheet 10 /N VEN TOR R. E. HE RSE Y ATTORNEY 64 Sheets-Sheet ll R. E. HERSEY REVERTING CALL CIRCUITS May 6, 1952 Filed oct. 29, 1948 /NI/EA/of? By R. E. HERSEY AHORA/Ey May 6, 1952 R. E. Hl-:RsEY 2,595,944

REVERTING CALL CIRCUITS Filed Oct. 29, 1948 64 Sheets-Sheet l2 /NVENT'OR R. E. HEQsEy Byewn ATTORNEY May 6,1952 R. E. HERSEY 2,595.944

REVERTING CALL CIRCUITS Filed Oct. 29, 1948 64 Sheets-Sheet l5 /N VE N TOR Rf HERsI-V A T TOR/VE V May 6, 1952 R. E. HERsEY REVERTING CALL CIRCUITS Filed oct. 29. 1948 64 Sheets-Sheet 14 ATTORNEV VMaly 6, 1952 R. E. HERsEY REVERTING CALL CIRCUITS 64 Sheets-Sheet l5 Filed Oct. 29, 1948 /Nl/ENTOR .BV RE. Hens/sy @a M ATTORNEY R. E. HERSEY REVERTING CALL CIRCUITS May 6, 1952 64 Sheets-Sheet 16 Filed Oct. 29. 1948 /NVENTUR By R. E. HERsEy 6? 6. M

ATTORNEY R. E. HERSEY REVERTING CALL CIRCUITS May 6, 1952 64 Sheets-Sheet 17 Filed Oct. 29, 1948 NVENTOR R E HERSEY ATTORNEY May 6, 1952 R. E. HERsEY REVERTING CALL CIRCUITS 64 sheets-sheen` 1B Filed 001;. 29. 1948 /Nl/ENTOR By .RE HERSEV AT TORNEV R. E. HERSEY REVERTING CALL CIRCUITS May e, 1952 64 Sheets-Sheet 19 Filed Oct. 29, 1948 ES ms IN1 WQQN NMQQUW wq QQ SQ May 6, 1952 R. E. HERsr-:Y

REVERTING CALL CIRCUITS 64 Sheets-Sheet 2O Filed 001'.. 29, 1948 Sww as NNW WOQN .10.0%

/NI/E/VTOR RE. HERSEV 6? 6. mba

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